code: def test_bug_cases_of_notebook_syntax():
      """Test over the known requirements of supported syntax in the
      notebook styled comments"""
  
      with open(
          "sphinx_gallery/tests/reference_parse.txt"
      ) as reference:
          ref_blocks = ast.literal_eval(reference.read())
          file_conf, blocks = sg.split_code_and_text_blocks(
              "tutorials/plot_parse.py"
          )
  
          assert file_conf == {}
          assert blocks == ref_blocks
  
imports: from __future__ import division, absolute_import, print_function, unicode_literals
  import ast
  import codecs
  import copy
  import logging
  import tempfile
  import re
  import os
  import shutil
  import zipfile
  import pytest
  import sphinx_gallery.gen_rst
  from sphinx_gallery import gen_gallery, downloads
  from sphinx_gallery.gen_gallery import generate_dir_rst
  from sphinx_gallery import sphinx_compatibility
  import matplotlib.pyplot
label_desc: Use image node_id 2 for calling a global function with example usage: test_bug_cases_of_notebook_syntax() without return types